Where the Wild Things Are
49 Achievements
12-15h
PS3
Friend of Ira
Collect 25 Geodes
47.4%
How to unlock the Friend of Ira achievement in Where the Wild Things Are - Definitive Guide
I used this guide and found it was the best around (in my opinion), it includes all collectibles, points out good spots for miscellaneous achievements, and pretty much serves as a walkthrough.
http://faqs.ign.com/articles/103/1038843p1.html
http://faqs.ign.com/articles/103/1038843p1.html